Johnson Outdoors has patented a multiplexed phased array sonar system for consumer fishfinders. The technology allows for high-resolution imagery in real-time at an affordable price point. The system includes a control head, transducer unit, digital signal processor, and multiplexer for efficient data processing. GlobalData’s report on Johnson Outdoors gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Johnson Outdoors, Sleep quality monitoring was a key innovation area identified from patents. Johnson Outdoors's grant share as of March 2024 was 72%. Grant share is based on the ratio of number of grants to total number of patents.
Multiplexed phased array sonar system for consumer fishfinders
A recently granted patent (Publication Number: US11914066B1) discloses a multiplexed phased array multibeam sonar system designed to enhance underwater imaging capabilities. The system comprises a control head with a user display, a transducer unit connected to the control head via a high-speed data link, and a digital signal processor (DSP) for processing sonar echoes into display information. The transducer unit includes a transmit element for generating sonar pings and a receive array for capturing echoes from targets in the water. A multiplexer selectively connects portions of the receive array to the DSP during each transmit-receive cycle, allowing for efficient processing and display of sonar information. The system's innovative design enables high-resolution imaging by utilizing a curved ultrasonic transducer and advanced signal processing techniques.
Furthermore, the patent details a method for generating sonar images on the user display of a consumer sonar system. The method involves generating sonar pings, receiving echoes, selectively coupling portions of the receive array to the DSP, processing the sonar echoes into display information, and plotting the information on the user display. Key steps include generating compressed high-intensity radiated pulses (CHIRP) for improved resolution, utilizing beamforming filtering to suppress noise, and implementing a predetermined multiplexing pattern for efficient data processing. By incorporating advanced technologies such as curved ultrasonic transducers, high-speed data links, and sophisticated signal processing algorithms, the system and method described in the patent offer significant advancements in underwater imaging capabilities for various applications.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
